68554-75-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68554-75-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,5,5 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 68554-75:
(7*6)+(6*8)+(5*5)+(4*5)+(3*4)+(2*7)+(1*5)=166
166 % 10 = 6
So 68554-75-6 is a valid CAS Registry Number.